1222020100504 has 64 divisors (see below), whose sum is σ = 2625247160640. Its totient is φ = 522397624320.

The previous prime is 1222020100501. The next prime is 1222020100517. The reversal of 1222020100504 is 4050010202221.

It is a super-2 number, since 2×1222020100504² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222020100501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51133582 + ... + 51157474.

It is an arithmetic number, because the mean of its divisors is an integer number (41019486885).

Almost surely, 2^{1222020100504} is an apocalyptic number.

1222020100504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1222020100504 is an abundant number, since it is smaller than the sum of its proper divisors (1403227060136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222020100504 is a wasteful number, since it uses less digits than its factorization.

1222020100504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26180 (or 26176 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 1222020100504 its reverse (4050010202221), we get a palindrome (5272030302725).

The spelling of 1222020100504 in words is "one trillion, two hundred twenty-two billion, twenty million, one hundred thousand, five hundred four".